Home / 17,718.72-26,559.84-7,862.64

Finding the Fourth Proportional to 17,718.72, 26,559.84 and 7,862.64

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Solution

The fourth proportional to 17,718.72, 26,559.84 and 7,862.64 is: 11,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.72 : 26,559.84 = 7,862.64 : x
  2. Step 2: Convert to fraction form
    17,718.72/26,559.84 = 7,862.64/x
  3. Step 3: Cross multiply
    17,718.72x = 26,559.84 × 7,862.64
  4. Step 4: Simplify right side
    17,718.72x = 208,830,460.38
  5. Step 5: Solve for x
    x = 208,830,460.38/17,718.72
  6. Step 6: Final answer
    x = 11,785.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.